/Engine/Source/Runtime/Engine/Public/ParticleEmitterInstances.h
Spawn the indicated number of particles.
void SpawnParticles ( int32 Count, float StartTime, float Increment, const FVector & InitialLocation, const FVector & InitialVelocity, struct [FParticleEventInstancePayload](API\Runtime\Engine\FParticleEventInstancePayload) * EventPayload )